Double Alpha Alpha-X Insert Block - Tanfoglio Stock III
Double Alpha Alpha-X Insert Block - HK VP9
Double Alpha Alpha-X Insert Block - SIG P320
The Double Alpha Alpha-X Insert Block - SIG P320 secures the pistol solely at the front end of the trigger guard, necessitating a precise fit in that area. In some instances, minor adjustments to the insert block may be needed.
The Insert Block Assembly includes:
The Locking Block (SIG P320).
The Sliding Lock, assembled (SIG P320).
The safety lever, assembled.
The internal magnetic activation system, assembled.